4 Cassiobury Avenue, Feltham, TW14 9JF

1. 13 Dec 2024

   Received by Hounslow

2. 24 Jan 2025

   Decision issued: PRIOR APPROVAL IS NOT REQUIRED

3. 6 Oct 2026

   Added to PlanIndex

Hounslow granted permission on 24 January 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 1 Cassiobury Avenue, Feltham, TW14 9JE

  P/2026/1273 Submitted 27 Apr 2026 50 yards away

  Retention of bathroom facilities in the existing outbuilding.

  Refused Householder 7 docs
  Small domestic

• 3 Cassiobury Avenue, Feltham, TW14 9JE

  P/2026/2181 Submitted 27 Jul 2026 50 yards away

  Erection of a single storey rear extension.

  Withdrawn Householder Extension 5 docs
  Small domestic

• 383 STAINES ROAD, FELTHAM, TW14 9HA

  P/2021/1837 Submitted 11 May 2021 50 yards away

  Demolition of existing conservatory and rear chimney and erection of single storey rear extension with pitched roof and three roof windows.

  Granted Householder Extension Demolition +1 6 docs
  Small domestic

• 24 Cassiobury Avenue, Feltham, TW14 9JF

  P/2025/3383 Submitted 11 Nov 2025 100 yards away

  Erection of a single storey rear extension to the house. Following the demolition of the existing conservatory.

  Withdrawn Householder Extension Demolition 3 docs
  Small domestic

• The Cobblers, 298A Staines Road, Feltham, TW14 9HD

  P/2026/0949 Submitted 23 Mar 2026 150 yards away

  Erection of a single storey rear extension and installation of an open sided carport to the side of the house.

  Granted Householder Extension 6 docs
  Small domestic

• 15 LONGFORD AVENUE, FELTHAM, TW14 9TQ

  P/2021/1847 Submitted 11 May 2021 150 yards away

  Erection of a single storey rear extension.

  Granted Householder Extension 10 docs
  Small domestic

• PA/2026/2437 Refused

  17 Orchard Road, Brentford, TW8 0QX

  Ground floor rear extension 5.51 metres deep, maximum height of 2.80 metres, 2.06 metres high to the eaves

  Received 26 Aug, published by the council 2 Sep 2026 Prior approval
• PA/2026/2481 Refused

  6 Speart Lane, Hounslow, TW5 9EF

  Ground floor rear extension 8.00 metres deep, maximum height of 3.00 metres, 2.80 metres high to the eaves

  Received 1 Sep, published by the council 5 Sep 2026 Prior approval
• PA/2026/2768 Awaiting decision

  86 Kneller Gardens, Isleworth, TW7 7NW

  Ground floor rear extension 4.50 metres, maximum height 3.20 metres, 2.70 metres high to the eaves.

  Received 30 Sep, published by the council 6 Oct 2026 Prior approval
• PA/2026/2393 Granted

  2 Letchworth Avenue, Feltham, TW14 9RY

  Ground floor rear extension 6.00 metres deep, maximum height of 3.00 metres, 2.85 metres high to the eaves

  Received 18 Aug, published by the council 23 Aug 2026 Prior approval
• PA/2026/2364 Granted

  9 Westbourne Road, Feltham, TW13 4LX

  Ground floor rear extension 4.5 metres deep, maximum height of 2.8 metres, 2.8 metres high to the eaves

  Received 13 Aug, published by the council 23 Aug 2026 Prior approval